Journal of Experimental Botany, Vol. 52, No. 365, pp. 2381-2385,
December 1, 2001
© 2001 Oxford University Press
Short Communication |
In wounded sugar beet (Beta vulgaris L.) tap-root, hexose accumulation correlates with the induction of a vacuolar invertase isoform
Heidelberger Institut für Pflanzenwissenschaften (HIP), Ruprecht-Karls-Universität, D-69120 Heidelberg, Germany
Abstract
Wounding of sugar beet tap-root causes an induction of invertase activity, which contributes to post-harvest sucrose losses. In this first comprehensive monitoring of wound-induced invertase mRNAs, proteins, enzyme activities, and tissue hexose concentrations, the VI isoform responsible for wound-induced hexose accummulation in mature tap-root could be identified.
Key words: Cell wall invertase, vacuolar invertase, sugar beet, tap-root, wounding.
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